{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "The FDCs of the pure drugs and the marketed products showed very poor ( and especially for pioglitazone , strongly pH - dependent ) dissolution ."}
{"Chemical": ["pioglitazone"]}